000 FZNT02 KNHC 141622 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC WED SEP 14 2016 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. SECURITE ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF MEXICO SYNOPSIS VALID 1200 UTC WED SEP 14. 24 HOUR FORECAST VALID 1200 UTC THU SEP 15. 48 HOUR FORECAST VALID 1200 UTC FRI SEP 16. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM IAN NEAR 31.4N 53.0W 998 MB AT 1500 UTC SEP 14 MOVING N OR 355 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NW AND SE QUADRANTS...200 NM NE QUADRANT AND 0 NM SW QUADRANT. ELSEWHERE OVER FORECAST WATERS N OF 28N BETWEEN 48W AND 55W WINDS 20 TO 33 KT. SEAS 12 TO 22 FT. REMAINDER OF AREA N OF 25N BETWEEN 47W AND 58W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .24 HOUR FORECAST IAN WELL N OF AREA. N OF 29N BETWEEN 48W AND 50W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT. .48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .SYNOPSIS AND FORECAST. .ATLC 36 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...E OF AREA NEAR 16N33W 1012 MB. FROM 16N TO 23N E OF 38W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...JUST E OF AREA NEAR 16N35W 1010 MB. FROM 17N TO 25N E OF 40W NE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT...HIGHEST FAR E. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.